155556290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 310262400

約数和(自身を除く): 154706110

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 139, 145, 170, 227, 278, 290, 454, 493, 695, 986, 1135, 1390, 2270, 2363, 2465, 3859, 4031, 4726, 4930, 6583, 7718, 8062, 11815, 13166, 19295, 20155, 23630, 31553, 32915, 38590, 40310, 63106, 65830, 68527, 111911, 137054, 157765, 223822, 315530, 342635, 536401, 559555, 685270, 915037, 1072802, 1119110, 1830074, 2682005, 4575185, 5364010, 9150370, 15555629, 31111258, 77778145, 155556290]

約数ペア:

[(1, 155556290), (2, 77778145), (5, 31111258), (10, 15555629), (17, 9150370), (29, 5364010), (34, 4575185), (58, 2682005), (85, 1830074), (139, 1119110), (145, 1072802), (170, 915037), (227, 685270), (278, 559555), (290, 536401), (454, 342635), (493, 315530), (695, 223822), (986, 157765), (1135, 137054), (1390, 111911), (2270, 68527), (2363, 65830), (2465, 63106), (3859, 40310), (4031, 38590), (4726, 32915), (4930, 31553), (6583, 23630), (7718, 20155), (8062, 19295), (11815, 13166)]